noun, plural six·teen·mos.
Also called sextodecimo. a book size (about 4×6 in.; 10×15 cm) determined by printing on sheets folded to form 16 leaves or 32 pages.
a book of this size. Symbol: 16mo, 16°
printed, folded, or bound in sixteenmo; sextodecimo.
Origin of sixteenmo
First recorded in 1840–50; sixteen
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for sixteenmo
Historical Examples of sixteenmo
British Dictionary definitions for sixteenmo
noun plural -mos
Also called: sextodecimo a book size resulting from folding a sheet of paper into 16 leaves or 32 pages, each one sixteenth the size of the sheetOften written: 16mo, 16°
a book of this size
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for sixteenmo
"book printed on sheets of 16 leaves," 1847, from an English reading of the printers' Latin abbreviation 16-mo, representing sexto decimo "sixteen."
Online Etymology Dictionary, © 2010 Douglas Harper